The most popular method of construction of wall breakwaters is

In basins subjected to strong winds and tide, the length of the berthing area should not be less than

A. The length of design vessel

B. The length of design vessel + 10% clearance between adjacent vessels

C. The length of design vessel + 20% clearance between adjacent vessels

D. Twice the length of design vessel

When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as

A. Beam

B. Depth

C. Free-board

D. Draft

Consider the following statements in regard to Beaufort scale for wind speeds,
(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest
Of these statements

A. (i) and (ii) are correct

B. (ii) and (iii) are correct

C. (i) and (iii) are correct

D. (i), (ii) and (iii) are correct

Dead weight tonnage of a ship
(i) varies with latitude and season
(ii) is more than displacement tonnage
(iii) is the difference between displacement load and displacement light
Of these statements

A. (i) and (ii) are correct

B. (ii) and (iii) are correct

C. (i) and (iii) are correct

D. Only (iii) is correct